♻️ [#76] Make groups_claim optional

to make it possible to disable group assignment

mozilla_django_oidc_db/migrations/0014_alter_openidconnectconfig_groups_claim.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.2.23 on 2024-01-09 10:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("mozilla_django_oidc_db", "0013_merge_20231221_1529"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="openidconnectconfig",
+            name="groups_claim",
+            field=models.CharField(
+                blank=True,
+                default="roles",
+                help_text="The name of the OIDC claim that holds the values to map to local user groups.",
+                max_length=50,
+                verbose_name="groups claim",
+            ),
+        ),
+    ]

mozilla_django_oidc_db/models.py

@@ -257,6 +257,7 @@ class OpenIDConnectConfig(CachingMixin, OpenIDConnectConfigBase):
         help_text=_(
             "The name of the OIDC claim that holds the values to map to local user groups."
         ),
+        blank=True,
     )
     sync_groups = models.BooleanField(
         _("Create local user groups if they do not exist yet"),